Spin dependent D-brane interactions and scattering amplitudes in matrix theory

Details Spin dependent D-brane interactions and scattering amplitudes in matrix theory Spin dependent D-brane interactions and scattering amplitudes in matrix theory

1998-12-04

arxiv.org/abs/hep-th/9812039v1

Lect.Notes Phys. 525 (1999) 456-465

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, no figures, talk presented at the conference "Quantum aspects of gauge theories, supergravity and unification", Corfu

Scientific paper

10.1007/BFb0104266

Spin interactions beteween two moving Dp-branes are analyzed using the Green-Schwarz formalism of boundary states. This approach turns out to be extremely efficient to compute all the spin effects related by supersymmetry to the leading v^4/r^7-p term. All these terms are shown to be scale invariant, supporting a matrix model description of supergravity interactions. By employing the LSZ reduction formula for matrix theory and the mentioned supersymmetric effective potential for D0-branes, we compute the t-pole of graviton-graviton and three form-three form scattering in matrix theory. The results are found to be in complete agreement with tree level supergravity in the corresponding kinematical regime and provide, moreover, an explicit map between these degrees of freedom in both theories.

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